wezterm.run_child_process(args)
Since: 20200503-171512-b13ef15f
This function accepts an argument list; it will attempt to spawn that command and will return a tuple consisting of the boolean success of the invocation, the stdout data and the stderr data.
local wezterm = require 'wezterm';
local success, stdout, stderr = wezterm.run_child_process({"ls", "-l"})
See also background_child_process